HVAC Ductwork
Shop HVAC ductwork and installation supplies for residential and light-commercial heating, air-conditioning and evaporative-cooling systems. Our selection includes insulated flexible duct, galvanized sheet-metal duct fittings, round duct pipe, elbows, reducers, start collars, T-wye fittings, register boxes, return-air boxes and related installation materials.
Use Flexible Duct for insulated supply and return-air runs, or browse Metal Duct Fittings for components used to connect, transition, branch and terminate an HVAC duct system. Duct tape, cable ties and related fasteners are also available for securing compatible connections.
Before ordering, verify the duct diameter, fitting dimensions, connection type, insulation rating and available installation space. HVAC duct sizing affects airflow and system performance, so ductwork should be selected and installed according to the equipment requirements and applicable building codes.
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14" x 10" x 10" Duct Wye Branch Galvanized Single Wall
$99.00Sheet metal branch tee wye diverts air to a secondary duct from the main line. 45 degree branch provides efficient air distribution. Crimped on outflow end for easy attachment to metal pipe. Use with...SHMTYS26141010$99.00 -
12" x 8" x 8" Duct Wye Branch Galvanized Single Wall
$89.00Sheet metal branch tee wye diverts air to a secondary duct from the main line. 45 degree branch provides efficient air distribution. Crimped on outflow end for easy attachment to metal pipe. Use with...SHMTYS2812XX$89.00 -
14" X 25' Flexible Duct R8 - Insulated HVAC Ductwork A13102414
R8 INSULATED FLEXIBLE DUCT 8" X 25' Thermally insulated , fully lined, flexible air duct designed for use in all medium pressure cooling and heating systems. It is used in either supply or return...A17802414Qty in Cart: 0Price:Subtotal: -
5"Disk Damper w/Hardware - HVAC Ductwork Sheet Metal
$15.99FREE SHIPPING to Continental US | Use in round sheet metal ductwork to limit flow of supply air. Affix inside duct at desired angle and fasten for permanent air dampening.Sheet metal will come in 30...SHMDD30S$15.99 -
9" X 60" Snap Lock Pipe - HVAC Ductwork Sheet Metal
$123.99Snap Lock Pipe is ideal for retrofit and new install of HVAC duct systems. Ships unsnapped to fit through tight spaces. Snap it together when ready to install. Seal and fasten together with other...SHMKD260905$123.99 -
12" 45 Degree Saddle Tap Branch - HVAC Ductwork Sheet Metal
$89.99FREE SHIPPING to Continental US | 45 degree duct saddle tap adds a branch from existing metal duct runs. Use with flexible duct or vent pipe for take-off air. Curved flange wraps around existing...SHMST42612$89.99 -
4" Disk Damper w/Hardware - HVAC Ductwork Sheet Metal
$14.99FREE SHIPPING to Continental US | Use in round sheet metal ductwork to limit flow of supply air. Affix inside duct at desired angle and fasten for permanent air dampening.Sheet metal will come in 30...SHMDD30P$14.99 -
5" 90 Degree Adjustable Elbow HVAC Ductwork Sheet Metal
$16.99Adjustable elbow makes 90 degree bend in metal duct systems or transition for flexible duct. 26 gauge segmented steel adjusts from straight to 90 degrees. Crimped on one end to easily slip into...SHMA926S$16.99 -
8" x 8" x 8" Duct Wye Branch Galvanized Single Wall
$49.00Sheet metal branch tee wye diverts air to a secondary duct from the main line. 45 degree branch provides efficient air distribution. Crimped on outflow end for easy attachment to metal pipe. Use with...SHMTYS30X$49.00 -
16" x 16" x 14" Duct Wye Branch Galvanized Metal Single Wall
$154.00Sheet metal branch tee wye diverts air to a secondary duct from the main line. 45 degree branch provides efficient air distribution. Crimped on outflow end for easy attachment to metal pipe. Use with...SHMTYS26161614$154.00 -
10" Round End Cap - HVAC Ductwork Sheet Metal
$26.99FREE SHIPPING to Continental US | Round duct end cap closes off unused portions of round duct. Use duct tape to terminate old ductwork runs in flexible duct or round metal duct. Sheet metal will...SHMREC3010$26.99 -
12" x 10" x 8" Duct Wye Branch Galvanized Single Wall
$89.00Sheet metal branch tee wye diverts air to a secondary duct from the main line. 45 degree branch provides efficient air distribution. Crimped on outflow end for easy attachment to metal pipe. Use with...SHMTYS301210X$89.00